Catheter



FIG. 1 is a top perspective view of a first embodiment of a catheter;

FIG. 2 is a bottom perspective view of the catheter illustrated in FIG. 1;

FIG. 3 is a first side view of the catheter illustrated in FIG. 1;

FIG. 4 is a second side view of the catheter illustrated in FIG. 1;

FIG. 5 is a third side view of the catheter illustrated in FIG. 1;

FIG. 6 is a fourth side view of the catheter illustrated in FIG. 1;

FIG. 7 is a rear view of the catheter illustrated in FIG. 1; and,

FIG. 8 is a front view of the catheter illustrated in FIG. 1. 

CLAIM The ornamental design for a catheter, as shown and described. 